The Porsche 718 GT4 RS is already a track-focused machine — but with an Akrapovic slip-on exhaust, it reaches another level. In this video, we capture dyno pulls and a full test drive, featuring the ...

The C8 Chevy Corvette ZR1 has pushed the envelope of what an American supercar can deliver, reaching performance levels that, not long ago, belonged almost entirely to high-dollar European exotics.

SLP 427 Supercharged Camaro SS Dyno Test Super Chevy uses the Snap-On Tech Center Dynojet to see what this Camaro SS test car can put down. SLP rates it at 770 flywheel horsepower.

5.0 Mustang & Super Fords magazine installed a Steeda Cold Air Intake on a 2010 Mustang. Check out the video for the dyno test and the July 2010 issue for the full story!